feat: 深色模式完善 + UP主主页 + 缓存管理

- 深色模式：补全 settings 页选项按钮、退出登录按钮主题色
- UP主主页：新增 /creator/[mid] 路由，展示 UP 主信息、粉丝数、视频列表
  - bilibili.ts 新增 getUploaderInfo / getUploaderVideos API
  - 视频详情页 UP 主行可点击跳转主页
- 缓存管理：settings 页新增「存储」分区，显示缓存大小并支持一键清除
  - 新增 utils/cache.ts（计算大小 + 清除 expo-image/文件系统缓存）

app/_layout.tsx

@@ -85,6 +85,14 @@ function RootLayout() {
                 gestureDirection: "horizontal",
               }}
             />
+            <Stack.Screen
+              name="creator"
+              options={{
+                animation: "slide_from_right",
+                gestureEnabled: true,
+                gestureDirection: "horizontal",
+              }}
+            />
           </Stack>
         </ErrorBoundary>
         <MiniPlayer />

app/creator/[mid].tsx

@@ -0,0 +1,209 @@
+import React, { useEffect, useState, useCallback } from 'react';
+import {
+  View,
+  Text,
+  FlatList,
+  StyleSheet,
+  TouchableOpacity,
+  ActivityIndicator,
+} from 'react-native';
+import { SafeAreaView } from 'react-native-safe-area-context';
+import { useLocalSearchParams, useRouter } from 'expo-router';
+import { Image } from 'expo-image';
+import { Ionicons } from '@expo/vector-icons';
+import { getUploaderInfo, getUploaderVideos } from '../../services/bilibili';
+import type { VideoItem } from '../../services/types';
+import { useTheme } from '../../utils/theme';
+import { formatCount, formatDuration } from '../../utils/format';
+import { proxyImageUrl, coverImageUrl } from '../../utils/imageUrl';
+import { useSettingsStore } from '../../store/settingsStore';
+
+const PAGE_SIZE = 20;
+
+export default function CreatorScreen() {
+  const { mid: midStr } = useLocalSearchParams<{ mid: string }>();
+  const mid = Number(midStr);
+  const router = useRouter();
+  const theme = useTheme();
+  const trafficSaving = useSettingsStore(s => s.trafficSaving);
+
+  const [info, setInfo] = useState<{
+    name: string; face: string; sign: string; follower: number; archiveCount: number;
+  } | null>(null);
+  const [videos, setVideos] = useState<VideoItem[]>([]);
+  const [page, setPage] = useState(1);
+  const [total, setTotal] = useState(0);
+  const [loading, setLoading] = useState(false);
+  const [infoLoading, setInfoLoading] = useState(true);
+  const loadingRef = React.useRef(false);
+
+  useEffect(() => {
+    getUploaderInfo(mid)
+      .then(setInfo)
+      .catch(() => {})
+      .finally(() => setInfoLoading(false));
+    loadVideos(1, true);
+  }, [mid]);
+
+  const loadVideos = useCallback(async (pn: number, reset = false) => {
+    if (loadingRef.current) return;
+    loadingRef.current = true;
+    setLoading(true);
+    try {
+      const { videos: newVideos, total: t } = await getUploaderVideos(mid, pn, PAGE_SIZE);
+      setTotal(t);
+      setVideos(prev => reset ? newVideos : [...prev, ...newVideos]);
+      setPage(pn);
+    } catch {}
+    finally {
+      loadingRef.current = false;
+      setLoading(false);
+    }
+  }, [mid]);
+
+  const hasMore = videos.length < total;
+
+  return (
+    <SafeAreaView style={[styles.safe, { backgroundColor: theme.bg }]} edges={['top', 'left', 'right']}>
+      {/* Top bar */}
+      <View style={[styles.topBar, { backgroundColor: theme.card, borderBottomColor: theme.border }]}>
+        <TouchableOpacity onPress={() => router.back()} style={styles.backBtn}>
+          <Ionicons name="chevron-back" size={24} color={theme.text} />
+        </TouchableOpacity>
+        <Text style={[styles.topTitle, { color: theme.text }]} numberOfLines={1}>
+          {info?.name ?? 'UP主主页'}
+        </Text>
+        <View style={styles.backBtn} />
+      </View>
+
+      <FlatList
+        data={videos}
+        keyExtractor={item => item.bvid}
+        showsVerticalScrollIndicator={false}
+        onEndReached={() => { if (hasMore && !loading) loadVideos(page + 1); }}
+        onEndReachedThreshold={0.3}
+        windowSize={7}
+        maxToRenderPerBatch={6}
+        removeClippedSubviews
+        ListHeaderComponent={
+          infoLoading ? (
+            <ActivityIndicator style={styles.loader} color="#00AEEC" />
+          ) : info ? (
+            <View style={[styles.profileCard, { backgroundColor: theme.card, borderBottomColor: theme.border }]}>
+              <Image
+                source={{ uri: proxyImageUrl(info.face) }}
+                style={styles.avatar}
+                contentFit="cover"
+                recyclingKey={String(mid)}
+              />
+              <Text style={[styles.name, { color: theme.text }]}>{info.name}</Text>
+              {info.sign ? (
+                <Text style={[styles.sign, { color: theme.textSub }]} numberOfLines={2}>{info.sign}</Text>
+              ) : null}
+              <View style={styles.statsRow}>
+                <View style={styles.statItem}>
+                  <Text style={[styles.statNum, { color: theme.text }]}>{formatCount(info.follower)}</Text>
+                  <Text style={[styles.statLabel, { color: theme.textSub }]}>粉丝</Text>
+                </View>
+                <View style={[styles.statDivider, { backgroundColor: theme.border }]} />
+                <View style={styles.statItem}>
+                  <Text style={[styles.statNum, { color: theme.text }]}>{formatCount(info.archiveCount)}</Text>
+                  <Text style={[styles.statLabel, { color: theme.textSub }]}>视频</Text>
+                </View>
+              </View>
+              <Text style={[styles.videoListHeader, { color: theme.textSub }]}>
+                全部视频（{total}）
+              </Text>
+            </View>
+          ) : null
+        }
+        renderItem={({ item }) => (
+          <TouchableOpacity
+            style={[styles.videoRow, { backgroundColor: theme.card, borderBottomColor: theme.border }]}
+            onPress={() => router.push(`/video/${item.bvid}` as any)}
+            activeOpacity={0.85}
+          >
+            <View style={styles.thumbWrap}>
+              <Image
+                source={{ uri: coverImageUrl(item.pic, trafficSaving ? 'normal' : 'hd') }}
+                style={styles.thumb}
+                contentFit="cover"
+                recyclingKey={item.bvid}
+                transition={200}
+              />
+              <View style={styles.durationBadge}>
+                <Text style={styles.durationText}>{formatDuration(item.duration)}</Text>
+              </View>
+            </View>
+            <View style={styles.videoInfo}>
+              <Text style={[styles.videoTitle, { color: theme.text }]} numberOfLines={2}>
+                {item.title}
+              </Text>
+              <View style={styles.videoMeta}>
+                <Ionicons name="play" size={11} color={theme.textSub} />
+                <Text style={[styles.metaText, { color: theme.textSub }]}>{formatCount(item.stat.view)}</Text>
+              </View>
+            </View>
+          </TouchableOpacity>
+        )}
+        ListEmptyComponent={
+          !loading && !infoLoading ? (
+            <Text style={[styles.emptyTxt, { color: theme.textSub }]}>暂无视频</Text>
+          ) : null
+        }
+        ListFooterComponent={
+          loading ? <ActivityIndicator style={styles.loader} color="#00AEEC" /> : null
+        }
+      />
+    </SafeAreaView>
+  );
+}
+
+const styles = StyleSheet.create({
+  safe: { flex: 1 },
+  topBar: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    paddingHorizontal: 8,
+    paddingVertical: 8,
+    borderBottomWidth: StyleSheet.hairlineWidth,
+  },
+  backBtn: { padding: 4, width: 32 },
+  topTitle: { flex: 1, fontSize: 16, fontWeight: '600', textAlign: 'center' },
+  profileCard: {
+    alignItems: 'center',
+    paddingTop: 24,
+    paddingBottom: 12,
+    borderBottomWidth: StyleSheet.hairlineWidth,
+    marginBottom: 4,
+  },
+  avatar: { width: 72, height: 72, borderRadius: 36, marginBottom: 10 },
+  name: { fontSize: 18, fontWeight: '700', marginBottom: 6 },
+  sign: { fontSize: 13, textAlign: 'center', paddingHorizontal: 24, marginBottom: 12, lineHeight: 19 },
+  statsRow: { flexDirection: 'row', alignItems: 'center', marginBottom: 16 },
+  statItem: { alignItems: 'center', paddingHorizontal: 24 },
+  statNum: { fontSize: 18, fontWeight: '700' },
+  statLabel: { fontSize: 12, marginTop: 2 },
+  statDivider: { width: 1, height: 28 },
+  videoListHeader: { alignSelf: 'flex-start', paddingHorizontal: 14, fontSize: 13, paddingBottom: 8 },
+  loader: { marginVertical: 24 },
+  videoRow: {
+    flexDirection: 'row',
+    paddingHorizontal: 12,
+    paddingVertical: 10,
+    borderBottomWidth: StyleSheet.hairlineWidth,
+    gap: 10,
+  },
+  thumbWrap: { width: 120, height: 68, borderRadius: 4, overflow: 'hidden', flexShrink: 0, position: 'relative' },
+  thumb: { width: 120, height: 68 },
+  durationBadge: {
+    position: 'absolute', bottom: 3, right: 3,
+    backgroundColor: 'rgba(0,0,0,0.6)', borderRadius: 3, paddingHorizontal: 4, paddingVertical: 1,
+  },
+  durationText: { color: '#fff', fontSize: 10 },
+  videoInfo: { flex: 1, justifyContent: 'space-between', paddingVertical: 2 },
+  videoTitle: { fontSize: 13, lineHeight: 18 },
+  videoMeta: { flexDirection: 'row', alignItems: 'center', gap: 3 },
+  metaText: { fontSize: 12 },
+  emptyTxt: { textAlign: 'center', padding: 40 },
+});

app/creator/_layout.tsx

@@ -0,0 +1,5 @@
+import { Stack } from 'expo-router';
+
+export default function CreatorLayout() {
+  return <Stack screenOptions={{ headerShown: false }} />;
+}

app/settings.tsx

@@ -1,5 +1,5 @@
-import React from 'react';
+import React, { useEffect, useState, useCallback } from 'react';
-import { View, Text, TouchableOpacity, StyleSheet, ActivityIndicator } from 'react-native';
+import { View, Text, TouchableOpacity, StyleSheet, ActivityIndicator, Alert } from 'react-native';
 import { SafeAreaView } from 'react-native-safe-area-context';
 import { useRouter } from 'expo-router';
 import { Ionicons } from '@expo/vector-icons';
@@ -7,6 +7,7 @@ import { useAuthStore } from '../store/authStore';
 import { useSettingsStore } from '../store/settingsStore';
 import { useTheme } from '../utils/theme';
 import { useCheckUpdate } from '../hooks/useCheckUpdate';
+import { getImageCacheSize, clearImageCache, formatBytes } from '../utils/cache';
 
 export default function SettingsScreen() {
   const router = useRouter();
@@ -14,6 +15,34 @@ export default function SettingsScreen() {
   const { darkMode, setDarkMode, trafficSaving, setTrafficSaving } = useSettingsStore();
   const theme = useTheme();
   const { currentVersion, isChecking, downloadProgress, checkUpdate } = useCheckUpdate();
+  const [cacheSize, setCacheSize] = useState<number | null>(null);
+  const [clearingCache, setClearingCache] = useState(false);
+
+  const refreshCacheSize = useCallback(async () => {
+    const size = await getImageCacheSize();
+    setCacheSize(size);
+  }, []);
+
+  useEffect(() => {
+    refreshCacheSize();
+  }, []);
+
+  const handleClearCache = async () => {
+    Alert.alert('清除缓存', '确定要清除所有缓存吗？', [
+      { text: '取消', style: 'cancel' },
+      {
+        text: '清除',
+        style: 'destructive',
+        onPress: async () => {
+          setClearingCache(true);
+          await clearImageCache();
+          setClearingCache(false);
+          setCacheSize(0);
+          Alert.alert('已完成', '缓存已清除');
+        },
+      },
+    ]);
+  };
 
   const handleLogout = async () => {
     await logout();
@@ -63,18 +92,18 @@ export default function SettingsScreen() {
         <Text style={[styles.sectionLabel, { color: theme.textSub }]}>外观</Text>
         <View style={styles.optionRow}>
           <TouchableOpacity
-            style={[styles.option, !darkMode && styles.optionActive]}
+            style={[styles.option, { backgroundColor: theme.inputBg }, !darkMode && styles.optionActive]}
             onPress={() => setDarkMode(false)}
             activeOpacity={0.7}
           >
-            <Text style={[styles.optionText, !darkMode && styles.optionTextActive]}>浅色</Text>
+            <Text style={[styles.optionText, { color: theme.text }, !darkMode && styles.optionTextActive]}>浅色</Text>
           </TouchableOpacity>
           <TouchableOpacity
-            style={[styles.option, darkMode && styles.optionActive]}
+            style={[styles.option, { backgroundColor: theme.inputBg }, darkMode && styles.optionActive]}
             onPress={() => setDarkMode(true)}
             activeOpacity={0.7}
           >
-            <Text style={[styles.optionText, darkMode && styles.optionTextActive]}>深色</Text>
+            <Text style={[styles.optionText, { color: theme.text }, darkMode && styles.optionTextActive]}>深色</Text>
           </TouchableOpacity>
         </View>
       </View>
@@ -83,18 +112,18 @@ export default function SettingsScreen() {
         <Text style={[styles.sectionLabel, { color: theme.textSub }]}>流量</Text>
         <View style={styles.optionRow}>
           <TouchableOpacity
-            style={[styles.option, !trafficSaving && styles.optionActive]}
+            style={[styles.option, { backgroundColor: theme.inputBg }, !trafficSaving && styles.optionActive]}
             onPress={() => setTrafficSaving(false)}
             activeOpacity={0.7}
           >
-            <Text style={[styles.optionText, !trafficSaving && styles.optionTextActive]}>标准</Text>
+            <Text style={[styles.optionText, { color: theme.text }, !trafficSaving && styles.optionTextActive]}>标准</Text>
           </TouchableOpacity>
           <TouchableOpacity
-            style={[styles.option, trafficSaving && styles.optionActive]}
+            style={[styles.option, { backgroundColor: theme.inputBg }, trafficSaving && styles.optionActive]}
             onPress={() => setTrafficSaving(true)}
             activeOpacity={0.7}
           >
-            <Text style={[styles.optionText, trafficSaving && styles.optionTextActive]}>节流</Text>
+            <Text style={[styles.optionText, { color: theme.text }, trafficSaving && styles.optionTextActive]}>节流</Text>
           </TouchableOpacity>
         </View>
         {trafficSaving && (
@@ -104,9 +133,32 @@ export default function SettingsScreen() {
         )}
       </View>
 
+      <View style={[styles.section, { backgroundColor: theme.card, borderColor: theme.border }]}>
+        <Text style={[styles.sectionLabel, { color: theme.textSub }]}>存储</Text>
+        <View style={styles.cacheRow}>
+          <View>
+            <Text style={[styles.cacheLabel, { color: theme.text }]}>缓存大小</Text>
+            <Text style={[styles.cacheValue, { color: theme.textSub }]}>
+              {cacheSize === null ? '计算中...' : formatBytes(cacheSize)}
+            </Text>
+          </View>
+          <TouchableOpacity
+            style={[styles.clearBtn, clearingCache && { opacity: 0.5 }]}
+            onPress={handleClearCache}
+            disabled={clearingCache}
+            activeOpacity={0.7}
+          >
+            {clearingCache
+              ? <ActivityIndicator size="small" color="#fff" />
+              : <Text style={styles.clearBtnText}>清除缓存</Text>
+            }
+          </TouchableOpacity>
+        </View>
+      </View>
+
       {isLoggedIn && (
-        <TouchableOpacity style={styles.logoutBtn} onPress={handleLogout} activeOpacity={0.8}>
+        <TouchableOpacity style={[styles.logoutBtn, { borderColor: theme.danger }]} onPress={handleLogout} activeOpacity={0.8}>
-          <Text style={styles.logoutText}>退出登录</Text>
+          <Text style={[styles.logoutText, { color: theme.danger }]}>退出登录</Text>
         </TouchableOpacity>
       )}
     </SafeAreaView>
@@ -143,10 +195,9 @@ const styles = StyleSheet.create({
     paddingHorizontal: 10,
     paddingVertical: 2,
     borderRadius: 16,
-    backgroundColor: '#f0f0f0',
   },
   optionActive: { backgroundColor: '#00AEEC' },
-  optionText: { fontSize: 13, color: '#333', fontWeight: '500' },
+  optionText: { fontSize: 13, fontWeight: '500' },
   optionTextActive: { color: '#fff', fontWeight: '600' },
   hint: { fontSize: 12, marginTop: 8 },
   versionRow: {
@@ -162,13 +213,28 @@ const styles = StyleSheet.create({
     paddingVertical: 6,
   },
   updateBtnText: { fontSize: 14, color: '#00AEEC', fontWeight: '600' },
+  cacheRow: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    justifyContent: 'space-between',
+  },
+  cacheLabel: { fontSize: 14 },
+  cacheValue: { fontSize: 12, marginTop: 2 },
+  clearBtn: {
+    backgroundColor: '#00AEEC',
+    paddingHorizontal: 14,
+    paddingVertical: 6,
+    borderRadius: 16,
+    minWidth: 80,
+    alignItems: 'center',
+  },
+  clearBtnText: { color: '#fff', fontSize: 13, fontWeight: '600' },
   logoutBtn: {
     margin: 24,
     paddingVertical: 12,
     borderRadius: 8,
     borderWidth: 1,
-    borderColor: '#ff4757',
     alignItems: 'center',
   },
-  logoutText: { fontSize: 15, color: '#ff4757', fontWeight: '600' },
+  logoutText: { fontSize: 15, fontWeight: '600' },
 });

services/bilibili.ts

@@ -2,9 +2,10 @@ import axios from 'axios';
 import AsyncStorage from '@react-native-async-storage/async-storage';
 import { Platform } from 'react-native';
 import pako from 'pako';
-import type { VideoItem, Comment, PlayUrlResponse, QRCodeInfo, VideoShotData, DanmakuItem, LiveRoom, LiveRoomDetail, LiveAnchorInfo, LiveStreamInfo } from './types';
+import type { VideoItem, Comment, PlayUrlResponse, QRCodeInfo, VideoShotData, DanmakuItem, LiveRoom, LiveRoomDetail, LiveAnchorInfo, LiveStreamInfo, SearchSuggestItem, HotSearchItem } from './types';
 import { signWbi } from '../utils/wbi';
 import { parseDanmakuXml } from '../utils/danmaku';
+import { getSecure } from '../utils/secureStorage';
 
 const isWeb = Platform.OS === 'web';
 const UA = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36';
@@ -46,7 +47,7 @@ const api = axios.create({
 
 api.interceptors.request.use(async (config) => {
   const [sessdata, buvid3] = await Promise.all([
-    AsyncStorage.getItem('SESSDATA'),
+    getSecure('SESSDATA'),
     getBuvid3(),
   ]);
   if (isWeb) {
@@ -61,6 +62,23 @@ api.interceptors.request.use(async (config) => {
   return config;
 });
 
+// ─── Request deduplication ──────────────────────────────────────────────────
+// Prevents identical concurrent requests (same URL + params) from hitting the network twice.
+const inflightRequests = new Map<string, Promise<any>>();
+
+function dedupeKey(url: string, params?: Record<string, any>): string {
+  return params ? `${url}?${JSON.stringify(params)}` : url;
+}
+
+/** Wraps an async API call so that concurrent calls with the same key share one promise. */
+function dedupe<T>(key: string, fn: () => Promise<T>): Promise<T> {
+  const existing = inflightRequests.get(key);
+  if (existing) return existing as Promise<T>;
+  const promise = fn().finally(() => { inflightRequests.delete(key); });
+  inflightRequests.set(key, promise);
+  return promise;
+}
+
 // WBI key cache (rotates ~daily)
 let wbiKeys: { imgKey: string; subKey: string } | null = null;
 let wbiKeysTimestamp = 0;
@@ -109,9 +127,11 @@ export async function getPopularVideos(pn = 1): Promise<VideoItem[]> {
   return res.data.data.list as VideoItem[];
 }
 
-export async function getVideoDetail(bvid: string): Promise<VideoItem> {
+export function getVideoDetail(bvid: string): Promise<VideoItem> {
+  return dedupe(dedupeKey('/x/web-interface/view', { bvid }), async () => {
     const res = await api.get('/x/web-interface/view', { params: { bvid } });
     return res.data.data as VideoItem;
+  });
 }
 
 export async function getVideoRelated(bvid: string): Promise<VideoItem[]> {
@@ -120,15 +140,17 @@ export async function getVideoRelated(bvid: string): Promise<VideoItem[]> {
   return items as VideoItem[];
 }
 
-export async function getPlayUrl(bvid: string, cid: number, qn = 64): Promise<PlayUrlResponse> {
+export function getPlayUrl(bvid: string, cid: number, qn = 64): Promise<PlayUrlResponse> {
   const isAndroid = Platform.OS === 'android';
   // 1488 = 16(DASH)|64(HDR)|128(4K)|256(杜比全景声)|1024(杜比视界)
   const FNVAL_ANDROID = 16 | 64 | 128 | 256 | 1024;
   const params = isAndroid
     ? { bvid, cid, qn, fnval: FNVAL_ANDROID, fourk: 1 }
     : { bvid, cid, qn, fnval: 0, platform: 'html5', fourk: 1 };
+  return dedupe(dedupeKey('/x/player/playurl', params), async () => {
     const res = await api.get('/x/player/playurl', { params });
     return res.data.data as PlayUrlResponse;
+  });
 }
 
 export async function getPlayUrlForDownload(
@@ -158,6 +180,47 @@ export async function getUploaderStat(mid: number): Promise<{ follower: number;
   };
 }
 
+export async function getUploaderInfo(mid: number): Promise<{ name: string; face: string; sign: string; follower: number; archiveCount: number }> {
+  const res = await api.get('/x/web-interface/card', { params: { mid } });
+  const data = res.data.data ?? {};
+  return {
+    name: data.card?.name ?? '',
+    face: data.card?.face ?? '',
+    sign: data.card?.sign ?? '',
+    follower: data.follower ?? 0,
+    archiveCount: data.archive_count ?? 0,
+  };
+}
+
+export async function getUploaderVideos(mid: number, pn = 1, ps = 20): Promise<{ videos: VideoItem[]; total: number }> {
+  const res = await api.get('/x/space/wbi/arc/search', {
+    params: { mid, pn, ps, order: 'pubdate', platform: 'web' },
+  });
+  const vlist: any[] = res.data?.data?.list?.vlist ?? [];
+  const total: number = res.data?.data?.page?.count ?? 0;
+  const videos: VideoItem[] = vlist.map((v: any) => ({
+    bvid: v.bvid,
+    aid: v.aid ?? 0,
+    title: v.title,
+    pic: v.pic ? (v.pic.startsWith('//') ? `https:${v.pic}` : v.pic) : '',
+    owner: { mid, name: v.author ?? '', face: '' },
+    stat: {
+      view: v.play ?? 0,
+      danmaku: v.video_review ?? 0,
+      reply: v.comment ?? 0,
+      like: 0,
+      coin: 0,
+      favorite: 0,
+    },
+    duration: v.length ? parseDuration(v.length) : 0,
+    desc: v.description ?? '',
+    cid: v.cid ?? 0,
+    pages: [],
+    ugc_season: undefined,
+  }));
+  return { videos, total };
+}
+
 export async function getUserInfo(): Promise<{ face: string; uname: string; mid: number }> {
   const res = await api.get('/x/web-interface/nav');
   const { face, uname, mid } = res.data.data;
@@ -341,10 +404,12 @@ function parseDuration(s: string): number {
   return parts.length === 2 ? parts[0] * 60 + parts[1] : parts[0] * 3600 + parts[1] * 60 + parts[2];
 }
 
-export async function searchVideos(keyword: string, page = 1): Promise<VideoItem[]> {
+export async function searchVideos(keyword: string, page = 1, order = ''): Promise<VideoItem[]> {
   const { imgKey, subKey } = await getWbiKeys();
+  const params: Record<string, any> = { keyword, search_type: 'video', page, page_size: 20 };
+  if (order) params.order = order;
   const signed = signWbi(
-    { keyword, search_type: 'video', page, page_size: 20 },
+    params,
     imgKey,
     subKey,
   );
@@ -385,7 +450,6 @@ export async function getLiveDanmakuHistory(roomId: number): Promise<{
   const room: any[] = res.data?.data?.room ?? [];
   const admin: any[] = res.data?.data?.admin ?? [];
   const adminMsgs = admin.map((a: any) => a.text ?? '').filter(Boolean);
-  console.log(adminMsgs,'adminMsgs')
   const danmakus = room.map((m: any) => ({
     time: 0,
     mode: 1 as const,
@@ -460,3 +524,31 @@ export async function getFollowedLiveRooms(): Promise<LiveRoom[]> {
     parent_area_name: r.area_v2_parent_name ?? '',
   }));
 }
+
+export async function getSearchSuggest(term: string): Promise<SearchSuggestItem[]> {
+  try {
+    const res = await api.get('/x/web-interface/search/suggest', {
+      params: { term, main_ver: 'v1', highlight: '' },
+    });
+    const tags: any[] = res.data?.result?.tag ?? [];
+    return tags.map((t: any) => ({ value: t.value ?? '', ref: t.ref ?? 0 }));
+  } catch {
+    return [];
+  }
+}
+
+export async function getHotSearch(): Promise<HotSearchItem[]> {
+  try {
+    const res = await api.get('/x/web-interface/wbi/search/square', {
+      params: { limit: 10 },
+    });
+    const trending: any[] = res.data?.data?.trending?.list ?? [];
+    return trending.map((t: any) => ({
+      keyword: t.keyword ?? '',
+      show_name: t.show_name ?? t.keyword ?? '',
+      icon: t.icon,
+    }));
+  } catch {
+    return [];
+  }
+}

utils/cache.ts

@@ -0,0 +1,63 @@
+import { Platform } from 'react-native';
+import * as FileSystem from 'expo-file-system/legacy';
+
+/** Get total size (bytes) of a directory recursively */
+async function dirSize(dirUri: string): Promise<number> {
+  try {
+    const info = await FileSystem.getInfoAsync(dirUri);
+    if (!info.exists) return 0;
+    const entries = await FileSystem.readDirectoryAsync(dirUri);
+    let total = 0;
+    for (const entry of entries) {
+      const entryUri = dirUri.endsWith('/') ? `${dirUri}${entry}` : `${dirUri}/${entry}`;
+      const entryInfo = await FileSystem.getInfoAsync(entryUri, { size: true });
+      if (!entryInfo.exists) continue;
+      if (entryInfo.isDirectory) {
+        total += await dirSize(entryUri);
+      } else {
+        total += (entryInfo as any).size ?? 0;
+      }
+    }
+    return total;
+  } catch {
+    return 0;
+  }
+}
+
+/** Format bytes to human-readable string */
+export function formatBytes(bytes: number): string {
+  if (bytes < 1024) return `${bytes} B`;
+  if (bytes < 1024 * 1024) return `${(bytes / 1024).toFixed(1)} KB`;
+  if (bytes < 1024 * 1024 * 1024) return `${(bytes / 1024 / 1024).toFixed(1)} MB`;
+  return `${(bytes / 1024 / 1024 / 1024).toFixed(2)} GB`;
+}
+
+/** Calculate image cache size (expo-image uses its own cache dirs) */
+export async function getImageCacheSize(): Promise<number> {
+  if (Platform.OS === 'web') return 0;
+  const cacheDir = FileSystem.cacheDirectory ?? '';
+  return dirSize(cacheDir);
+}
+
+/** Clear expo-image disk cache + expo-file-system cache directory */
+export async function clearImageCache(): Promise<void> {
+  if (Platform.OS === 'web') return;
+  try {
+    const { Image } = require('expo-image');
+    await Image.clearDiskCache();
+    await Image.clearMemoryCache();
+  } catch {}
+  // Also clear the general cache directory (MPD files, QR codes, etc.)
+  try {
+    const cacheDir = FileSystem.cacheDirectory ?? '';
+    const entries = await FileSystem.readDirectoryAsync(cacheDir);
+    await Promise.all(
+      entries.map(async entry => {
+        const uri = `${cacheDir}${entry}`;
+        try {
+          await FileSystem.deleteAsync(uri, { idempotent: true });
+        } catch {}
+      })
+    );
+  } catch {}
+}

utils/secureStorage.ts

@@ -0,0 +1,32 @@
+import AsyncStorage from '@react-native-async-storage/async-storage';
+import { Platform } from 'react-native';
+
+// expo-secure-store is only available on native platforms
+let SecureStore: typeof import('expo-secure-store') | null = null;
+if (Platform.OS !== 'web') {
+  try { SecureStore = require('expo-secure-store'); } catch {}
+}
+
+/** Read a sensitive value from SecureStore (native) or AsyncStorage (web fallback). */
+export async function getSecure(key: string): Promise<string | null> {
+  if (SecureStore) {
+    return SecureStore.getItemAsync(key);
+  }
+  return AsyncStorage.getItem(key);
+}
+
+export async function setSecure(key: string, value: string): Promise<void> {
+  if (SecureStore) {
+    await SecureStore.setItemAsync(key, value);
+  } else {
+    await AsyncStorage.setItem(key, value);
+  }
+}
+
+export async function deleteSecure(key: string): Promise<void> {
+  if (SecureStore) {
+    await SecureStore.deleteItemAsync(key);
+  } else {
+    await AsyncStorage.removeItem(key);
+  }
+}